<div class="example">
  <button id="run" class="button run">
    Run calculations
  </button>
  <button id="reset" class="button button-outline reset">
    Reset
  </button>
  <table>
    <colgroup>
      <col style="width:20%" />
      <col style="width:20%" />
      <col style="width:30%" />
    </colgroup>
    <thead>
    <tr>
      <th>Release 1.0.0</th>
      <th>Release 4.3.1</th>
      <th>Number of days between</th>
    </tr>
    </thead>
    <tbody></tbody>
  </table>
</div>